Sofa



FIG. 1 is a front view of the sofa showing the new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left front perspective view thereof;

FIG. 8 is a right front perspective view thereof;

FIG. 9 is a right front perspective view thereof in a fully reclinedposition; and,

FIG. 10 is a left front perspective view thereof in a fully reclinedposition.

CLAIM The ornamental design for a sofa, as shown and described.